Oak Park to Chicago time converter

Chicago is 1 hour behind Oak Park. When it is 9:00 AM in Oak Park, it is 8:00 AM in Chicago.

Oak Park EDT

Wednesday, October 21, 2026

Chicago CDT

Wednesday, October 21, 2026

Oak Park
Michigan, United States
Wed, Oct 21
EDTUTC-4
Chicago
Illinois, United States
Wed, Oct 21
CDTUTC-5-1h
Finding your time zone…
Shared working hours (9:00–18:00)

Oak Park to Chicago conversion table

Every hour of today in Oak Park and the matching time in Chicago. Light rows are typical working hours (9:00–18:00).

Oak ParkChicago
12:00 AM11:00 PM−1 day
1:00 AM12:00 AM
2:00 AM1:00 AM
3:00 AM2:00 AM
4:00 AM3:00 AM
5:00 AM4:00 AM
6:00 AM5:00 AM
7:00 AM6:00 AM
8:00 AM7:00 AM
9:00 AM8:00 AM
10:00 AM9:00 AM
11:00 AM10:00 AM
12:00 PM11:00 AM
1:00 PM12:00 PM
2:00 PM1:00 PM
3:00 PM2:00 PM
4:00 PM3:00 PM
5:00 PM4:00 PM
6:00 PM5:00 PM
7:00 PM6:00 PM
8:00 PM7:00 PM
9:00 PM8:00 PM
10:00 PM9:00 PM
11:00 PM10:00 PM

Best time to call or meet

Both sides are at work from 10:00 AM – 6:00 PM in Oak Park (9:00 AM – 5:00 PM in Chicago).

Daylight saving time and the difference

The difference changes during the year because Oak Park and Chicago switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: -1h
  • Nov 1, 2026 – Nov 1, 2026: ±0
  • Nov 1, 2026 – Mar 14, 2027: -1h
  • Mar 14, 2027 – Mar 14, 2027: -2h
  • Mar 14, 2027 – Oct 21, 2027: -1h

Distance

Oak Park and Chicago are 374 km (232 miles) apart in a straight line.

More conversions

Chicago to Oak ParkOak Park to New YorkOak Park to LondonOak Park to Los AngelesOak Park to TorontoOak Park to São PauloOak Park to ParisOak Park to BerlinOak Park to MoscowOak Park to DubaiOak Park to New DelhiOak Park to BangkokOak Park to Singapore
New York to ChicagoLondon to ChicagoLos Angeles to ChicagoToronto to ChicagoSão Paulo to ChicagoParis to ChicagoBerlin to ChicagoMoscow to ChicagoDubai to ChicagoNew Delhi to ChicagoBangkok to ChicagoSingapore to Chicago

Questions and answers

What is the time difference between Oak Park and Chicago?

Chicago is 1 hour behind Oak Park.

What time is it in Chicago when it is 9 AM in Oak Park?

When it is 9:00 AM in Oak Park, it is 8:00 AM in Chicago.

When is the best time to call Chicago from Oak Park?

Both sides are at work from 10:00 AM – 6:00 PM in Oak Park (9:00 AM – 5:00 PM in Chicago).

Does the time difference between Oak Park and Chicago change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.